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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Data Engineer - Hounslow - **Company:** Hackajob Ltd - **Location:** London, UK - **Salary:** £100,000.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Artificial Intelligence, Amazon Web Services, Automation of Tests, Software as a Service, Cloud Computing, Cloud Database, Cloud Engineering, Software Quality, Cyber Security, Continuous Integration, Information Engineering, Data Infrastructure, Database Development, Operational Databases, Platform as a Service (PAAS), Standard Sql, Data Streaming, Enterprise Data Management, Data Processing, Data Ingestion, Snowflake, Information Technology, Data Management, Software Coding, Software Version Control, Data Pipelines - **Published:** September 11, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5878312361 ## About the Role * Strong hands-on technical leadership in data engineering * Deep understanding of cloud-based data ingestion, processing, and storage techniques * Expert knowledge of data processing, testing, and monitoring practices * Strong understanding of enterprise data management, optimisation, and security at scale * Confidence influencing technical direction and engineering standards * Strong stakeholder engagement skills across business and technical teams * Ability to break down complex problems and work effectively in ambiguous environments * Delivery-focused, accountable, and pragmatic mindset * Collaborative approach with a focus on capability building and knowledge sharing * Excellent SQL development experience * Highly experienced in data ingestion, processing, and storage techniques on cloud-native tooling * Experience with cloud data management such as Snowflake, AWS, DBT, or similar PaaS and SaaS offerings * Experience in enterprise data management and security at scale * Knowledge of data modelling and optimisation * Expertise in data processing, testing, and monitoring practices and frameworks * Experience supporting production data systems and resolving operational issues in CI/CD processes and agile development workflows * Expert knowledge of information security principles and access control within data environments * Degree or equivalent training in Computer Science, Engineering, or a related discipline is desirable ## Description * Act as a technical leader for data engineering best practice across delivery teams * Lead the design, build, test, and deployment of secure and scalable data pipelines * Maintain and operate data products, ensuring availability, performance, and resilience through monitoring and incident management * Provide assurance on code quality and automation used to manage data flows * Lead service reviews, health checks, and root cause analysis to improve reliability and reduce operational overhead * Set and embed standards for data processing documentation and version control * Support and coach engineers on engineering patterns, coding standards, and automated testing * Lead agile ceremonies, delivery planning, and retrospectives to support continuous improvement * Define and improve developer experience by working with data product teams to resolve data processing issues * Line manage Senior Data Engineers and support their development * Participate in an on-call rota to support live data products Technologies: * AI * AWS * CI/CD * Cloud * Incident Management * Support * PaaS * SQL * Security * Snowflake * dbt ## Related Videos - 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